JPS5818786Y2 - Jiyunkan Yokusou - Google Patents

Description

[Detailed description of the invention] This invention forms a hot water circulation flow path in a separate circuit at the bottom of the bathtub.
The present invention relates to a circulating bathtub in which bath water is heated by hot water flowing through the flow path.

Conventional bathtubs of this type have a hot water circulation pipe installed at the bottom of the bathtub, with hot water flowing through a lever system, and the bath water being heated by convection through a drainboard-shaped partition plate placed on top of the pipe. There is, and as an improved version of this,
Some bathtubs have a closed double-bottom bottom so that hot water flows into the closed chamber itself.

However, these had the following drawbacks and were extremely inconvenient in actual use.

In other words, in the former case, since the convection of the bath water occurs through the holes drilled in the partition plate, the heated bath water flows out from each hole, and the bather does not experience much warmth. It was undesirable.

In this respect, the latter type of bathtub allows the bath water to flow through the entire bottom, which is preferable for the bather's sense of warmth.
Conventional double-bottom bathtubs are simply double-bottomed, so the inner bottom bulges and deforms due to the large circulation resistance pressure of hot water, or hot water tends to accumulate in the corners of the closed room, causing the temperature to rise. Large differences in distribution were likely to occur.

The present invention was devised to eliminate the above-mentioned drawbacks, and is a further improvement on the conventional closed type double-bottomed bathtub.

An embodiment of the present invention will be described below. In FIG. 1, a reinforcing bracket of an appropriate length, such as an L-shape and a T-shape, is attached to the upper wall surface 3 of the closed chamber 2 of the closed double-bottomed bathtub 1. 4 are arranged and fixed together.

Various configurations can be considered for the arrangement of the bracket 4, as illustrated in FIGS. 2 to 5, but in short, it is designed to have a flow path so that hot water flows throughout the sealed chamber, and also to have a reinforcing function. It is sufficient to do so.

5 indicates the flow of hot water. According to the present invention, the flow of hot water flowing into the sealed chamber 2 is controlled by the bracket 4,
It circulates throughout the sealed room.

At this time, heat is exchanged with the low-temperature bathtub via the upper wall surface 3 to warm the bath water.

Further, due to the presence of the bracket 4, even if a large amount of pressure is applied inside the closed chamber 2, the upper wall surface 3 will not swell, and a highly durable bathtub can be obtained.

As described above, in this case, a reinforcing bracket of an appropriate length is fixed to the upper wall surface of the sealed chamber of the closed type double-bottomed bathtub, and the flow path of hot water is controlled by the arrangement of the bracket. This has excellent practical effects, such as preventing the double-bottom upper wall surface from expanding and deforming due to water pressure, and allowing efficient heat exchange between bath water and hot water in a closed room.

[Brief explanation of drawings]

FIG. 1 is a schematic cross-sectional side view of the proposed bathtub. FIGS. 2 to 5 are examples showing the flow path configuration of the sealed chamber at the bottom of the bathtub. 2... Sealed room, 4... Reinforcement bracket, 5... Hot water.

Claims (1)

[Scope of utility model registration request] In a closed type double-bottomed bathtub, in which hot water is circulated in a separate circuit in the sealed chamber to thereby warm the bath water, a number of reinforcing brackets of appropriate length are installed on the upper wall of the sealed chamber. A circulating bathtub characterized in that the brackets are properly arranged and formed so as to be fixed and to control the flow path of hot water.